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EqualizerAPO/IFilter.h
T

46 lines
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/*
This file is part of EqualizerAPO, a system-wide equalizer.
Copyright (C) 2014 Jonas Thedering
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include <string>
#include <vector>
#include "helpers/MemoryHelper.h"
#pragma AVRT_VTABLES_BEGIN
class IFilter
{
public:
virtual ~IFilter() {}
// request to get all channel names instead of selection
virtual bool getAllChannels() {return false;}
// return false to request that output and input do not point to the same memory locations
virtual bool getInPlace() {return true;}
// request that the channelNames returned by initialize become the new selection
virtual bool getSelectChannels() {return false;}
// return value is the channelNames vector, which may contain additional or fewer channel names
virtual std::vector<std::wstring> initialize(float sampleRate, unsigned maxFrameCount, std::vector<std::wstring> channelNames) = 0;
virtual void process(float** output, float** input, unsigned frameCount) = 0;
protected:
};
#pragma AVRT_VTABLES_END